Sunday, January 13, 2013

11 players lasting for 90 minutes ...


In a game of 11 players lasting for 90 minutes, 4 reserves alternate equally with each player; it means that all players, including the reserves, play for the same length of time. For how long?



Answer:

66 minutes
66 = (90 * 11)/(11 + 4)


No comments:

Post a Comment